This Is the Five-Year History of SpaceShipTwo in Pictures

A Virgin Galactic SpaceShipTwo crashed in the Mojave Desert on Friday, killing one of the two pilots on board. SpaceShipTwo debuted to the public in 2009 and has undergone numerous test flightsand endured a few setbacksover its five-year histo

A Virgin Galactic SpaceShipTwo crashed in the Mojave Desert on Friday, killing one of the two pilots on board. SpaceShipTwo debuted to the public in 2009 and has undergone numerous test flights—and endured a few setbacks—over its five-year history.